While Bakayoko has not yet pulled on the training kit, the Frenchman was a keen spectator as Antonio Conte put the boys through their paces at Cobham on Saturday.
The reason? Well, it's not 100% clear, as there's sa lot of blaming going around, but the journalist explained Chelsea feel the delay is Monaco's fault, with the Ligue 1 side apparently failing to send them some of the relevant paperwork.
Giving his opinion on the environment at Chelsea, the goalkeeper told his club's official website: "When I arrived I thought I would find a very good group, and I found it".
Let's see what happens.
There's still much to do for Chelsea in this transfer window as they look to build a stronger squad ahead of their return to the Champions League, but it still seems as though all is not well with the 46-year-old.
"I've played a match with him for the French national team so we know each other very well and I hope we can do attractive things together this year". And the club's hopes of successfully defending their title have taken a huge blow by his pending departure, as there are no guarantees that whoever replaces Costa will manage to have the same impact on the Premier League.
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"I am very happy to be here". I'm very impressed by the facilities.
"As a 'keeper I would like to play a lot of games, to keep improving and helping Thibaut and improving with him".
But the opportunity to work under Conte has now swung the balance of a transfer in Chelsea's favor at least a couple times and hopefully that will continue for a long time. It is very physical and I know you must be in fighting form to compete in this league.
Makelele was not the only Chelsea great to inspire Bakayoko, who rejected interest from Manchester United, to join the team where his hero Drogba earned the adoration of the Stamford Bridge faithful.
"He is definitely an example I wish to follow, be it the footballer or the person himself".
'Yes, Makelele helped me greatly.